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Finding the Fourth Proportional to 92,855.76, 139,304.59 and 33,691.33

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Solution

The fourth proportional to 92,855.76, 139,304.59 and 33,691.33 is: 50,544.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,855.76 : 139,304.59 = 33,691.33 : x
  2. Step 2: Convert to fraction form
    92,855.76/139,304.59 = 33,691.33/x
  3. Step 3: Cross multiply
    92,855.76x = 139,304.59 × 33,691.33
  4. Step 4: Simplify right side
    92,855.76x = 4,693,356,912.20
  5. Step 5: Solve for x
    x = 4,693,356,912.20/92,855.76
  6. Step 6: Final answer
    x = 50,544.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.